[sdiy] cheap sine wave osc

Derek Holzer derek at umatic.nl
Tue Aug 14 18:09:59 CEST 2007



harrybissell at wowway.com wrote:
> Do you need equally-tempered tones ???
> 
> If so I'd use a top-octave generator chip (rare but not totally unobtanium)

Happen to have one in my partsbox right now (50240), as a matter of 
fact. Are they valuable? ;-)

> and bandpass (resonant) filters. Essentially the filters would be near
> self-oscillation and the top-octave would trigger (sync) them.
> 
> This would give arbitrary precision and no retuning in the field...

Thanks for the suggestion. And thanks to everyone who's replied on this 
thread so far. This list is quickly becoming one of my favorite spots to 
hang out on the net!

best,
d.

-- 
derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista
---Oblique Strategy # 90:
"In total darkness, or in a very large room, very quietly"



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